diff --git a/Makefile b/Makefile
index fa6d8d271..549bf7f62 100644
--- a/Makefile
+++ b/Makefile
@@ -96,6 +96,7 @@ build: check-deps $(LIBGIT2) ## Build manager binary
 KUBEBUILDER_ASSETS?="$(shell $(ENVTEST) --arch=$(ENVTEST_ARCH) use -i $(ENVTEST_KUBERNETES_VERSION) --bin-dir=$(ENVTEST_ASSETS_DIR) -p path)"
 test: $(LIBGIT2) install-envtest test-api check-deps ## Run tests
 	KUBEBUILDER_ASSETS=$(KUBEBUILDER_ASSETS) \
+	GIT_CONFIG_GLOBAL=/dev/null \
 	go test $(GO_STATIC_FLAGS) ./... -coverprofile cover.out
 
 check-deps:
@@ -268,3 +269,4 @@ env: $(LIBGIT2)
 	echo 'CGO_CFLAGS="$(CGO_CFLAGS)"' >> $(BUILD_DIR)/.env
 	echo 'CGO_LDFLAGS="$(CGO_LDFLAGS)"' >> $(BUILD_DIR)/.env
 	echo 'KUBEBUILDER_ASSETS=$(KUBEBUILDER_ASSETS)' >> $(BUILD_DIR)/.env
+	echo 'GIT_CONFIG_GLOBAL=/dev/null' >> $(BUILD_DIR)/.env
diff --git a/controllers/gitrepository_controller_test.go b/controllers/gitrepository_controller_test.go
index c0ac46068..fb020d7ca 100644
--- a/controllers/gitrepository_controller_test.go
+++ b/controllers/gitrepository_controller_test.go
@@ -434,7 +434,7 @@ func TestGitRepositoryReconciler_reconcileSource_authStrategy(t *testing.T) {
 			},
 			Spec: sourcev1.GitRepositorySpec{
 				Interval: metav1.Duration{Duration: interval},
-				Timeout:  &metav1.Duration{Duration: interval},
+				Timeout:  &metav1.Duration{Duration: timeout},
 			},
 		}
 
@@ -653,7 +653,7 @@ func TestGitRepositoryReconciler_reconcileSource_checkoutStrategy(t *testing.T)
 				},
 				Spec: sourcev1.GitRepositorySpec{
 					Interval:  metav1.Duration{Duration: interval},
-					Timeout:   &metav1.Duration{Duration: interval},
+					Timeout:   &metav1.Duration{Duration: timeout},
 					URL:       server.HTTPAddress() + repoPath,
 					Reference: tt.reference,
 				},
@@ -1517,7 +1517,7 @@ func TestGitRepositoryReconciler_ConditionsUpdate(t *testing.T) {
 					URL:               server.HTTPAddress() + repoPath,
 					GitImplementation: sourcev1.GoGitImplementation,
 					Interval:          metav1.Duration{Duration: interval},
-					Timeout:           &metav1.Duration{Duration: interval},
+					Timeout:           &metav1.Duration{Duration: timeout},
 				},
 			}
 
diff --git a/controllers/helmrepository_controller_test.go b/controllers/helmrepository_controller_test.go
index 7a1e5d593..97934d509 100644
--- a/controllers/helmrepository_controller_test.go
+++ b/controllers/helmrepository_controller_test.go
@@ -440,7 +440,7 @@ func TestHelmRepositoryReconciler_reconcileSource(t *testing.T) {
 			},
 			Spec: sourcev1.HelmRepositorySpec{
 				Interval: metav1.Duration{Duration: interval},
-				Timeout:  &metav1.Duration{Duration: interval},
+				Timeout:  &metav1.Duration{Duration: timeout},
 			},
 		}